// ActionScript file
import flash.net.getClassByAlias;

/**
 * 根据id获取组件
 * @param itemId 组件Id
 * @return item
 *
 * demo:var grid:GridItem = GridItem(getItemById('itemId'));
 */
public function getItemById(itemId:String):Object
{
	return this[itemId];
}
